import java.util.Scanner;

public class TestMain3 {
        public static void main(String[] args) {
            Scanner in = new Scanner(System.in);
            int n = in.nextInt();
            int m = in.nextInt();
            int q = in.nextInt();
            int[][] arr = new int[n + 1][m + 1];
            long[][] dp = new long[n + 1][m + 1];
            // 读⼊数据
            for(int i = 1; i <= n; i++) {
                for(int j = 1; j <= m; j++) {
                    arr[i][j] = in.nextInt();
                }
            }
            // 处理前缀和矩阵
            for(int i = 1; i <= n; i++) {
                for(int j = 1; j <= m; j++) {
                    dp[i][j] = dp[i - 1][j] + dp[i][j - 1] - dp[i - 1][j - 1] + arr[i][j];
                }
            }
            while(q > 0) {
                int x1 = in.nextInt();
                int y1 = in.nextInt();
                int x2 = in.nextInt();
                int y2 = in.nextInt();
                System.out.println(dp[x2][y2] - dp[x1 - 1][y2] - dp[x2][y1 - 1] + dp[x1 - 1][y1 - 1]);
                q--;
            }
        }
}
